Bone anchor head



FIG. 1 is a perspective view of a bone anchor head;

FIG. 2 is a left side view of a bone anchor head;

FIG. 3 is a front view of a bone anchor head;

FIG. 4 is a rear view of a bone anchor head;

FIG. 5 is a right side view of a bone anchor head;

FIG. 6 is top view of a bone anchor head; and,

FIG. 7 is a bottom view of a bone anchor head.

The broken lines on the top surface of the claimed design represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design. 

We claim the ornamental design for a bone anchor head substantially, as shown and described. 